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Excavations of the Roman city of Sepphoris have uncovered [#permalink]

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09 Aug 2012, 02:34

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Excavations of the Roman city of Sepphoris have uncovered numerous detailed mosaics depicting several readily identifiable animal species: a hare, a partridge, and various Mediterranean fish. Oddly, most of the species represented did not live in the Sepphoris region when these mosaics were created. Since identical motifs appear in mosaics found in other Roman cities, however, the mosaics of Sepphoris were very likely created by traveling artisans from some other part of the Roman Empire.

Which of the following is an assumption on which the argument depends?

A. The Sepphoris mosaics are not composed exclusively of types of stones found naturally in the Sepphoris area.B. There is no single region to which all the species depicted in the Sepphoris mosaics nativeC. No motifs appear in the Sepphoris mosaics that do not also appear in the mosaics of some other Roman city D. All of the animal figures in the Sepphoris mosaics are readily identifiable as representation of known species E. There was not a common repertory of mosaic designs with which artisans who lived in various parts of the Roman empire were familiar

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09 Aug 2012, 09:06

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from the MGMAT explanation, what they did was reverse the assumption of E. so if they HAD a common repertory of mosaic designs, this would invalidate the entire argument above. Therefore, E. is an essential assumption for the argument presented. Hope this helps

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09 Aug 2012, 10:51

Basically , the conclusion says that travelling artists created mosaics in different parts of roman city , ie one group of artists did all the work through out Roman cities , so an assumption is there are no other groups in the Roman City. E says the same cause if there is a repository you can have more than one group. Hope it helps
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Question 26: Excavations of the Roman city of Sepphoris have uncovered numerous detailed mosaics depicting several readily identifiable animal species: a hare, a partridge, and various Mediterranean fish. Oddly, most of the species represented did not live in the Sepphoris region when these mosaics were created. Since identical motifs appear in mosaics found in other Roman cities, however, the mosaics of Sepphoris were very likely created by traveling artisans from some other part of the Roman Empire.

Which of the following is an assumption on which the argument depends?

A. The Sepphoris mosaics are not composed exclusively of types of stones found naturally in the Sepphoris area.B. There is no single region to which all the species depicted in the Sepphoris mosaics nativeC. No motifs appear in the Sepphoris mosaics that do not also appear in the mosaics of some other Roman city D. All of the animal figures in the Sepphoris mosaics are readily identifiable as representation of known species E. There was not a common repertory of mosaic designs with which artisans who lived in various parts of the Roman empire were familiar

Assumption questions require that you understand the structure of the argument. Background: Sepphoris has mosiacs with animalsPremise: Species in the mosiacs didn't live in Sepphoris at the timePremise: Same species were found in mosiacs in other Roman citiesConclusion: Therefore, mosiacs were created by traveling artisans.

Assumptions fill the gap between premises and the conclusion. In other words, assumptions are those unstated facts that must be true for the conclusion to be true. The conclusion states that mosiacs were created by TRAVELING artisans, so you would have to assume that the RESIDENT artisans don't have knowledge of these non-resident species.

A. Stones are not relevant to the conclusionB. This answer doesn't address how knowledge of species only got to Sepphoris from traveling artisansC. Interesting answer choice, but it could support a traveling artisan conclusion or a common knowledgebase of species across all of RomeD. This runs counter to the conclusion - if the species are known, then any artisan (not necessarily a traveling artisan) could have created the mosaicsE. This option states that there isn't a common knowledgebase of species, which supports the conclusion that only TRAVELING artisans (those who pick up knowledge of species as they travel throughout Rome) could have created the mosaics

Re: Excavations of the Roman city of Sepphoris have uncovered [#permalink]

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01 Jul 2013, 23:55

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Conclusion --the mosaics of Sepphoris were very likely created by traveling artisans from some other part of the Roman empire.

If we negate E ---We get ---There was a common repertory of mosaic designs with which artisans who lived in various parts of the Roman empire were familiar.

So Sepphoris artist were also familar with how to make mosaic -- so conclusion that traveling artisians created mosaic falls apart.

Sepphoris artist if they knew how to make mosaic --- would have made them.

A. The Sepphoris mosaics are not composed exclusively of types of stones found naturally in teh Sepphoris area ---out of scope-- it does not talk abt who createdB. There is no single region to which all the species depicted in the Sepphoris mosaics are native --out of copeC. No motifs appear in the Sepphoris mosaics that do not also appear in the mosaics of some other Roman city -out of scopeD. All of the animal figures in the Sepphoris mosiacs are readily identifiable as representation of known species ---out of scopeE. There was not a common repertory of mosaic designs with which artisans who lived in various parts of the Roman empire were familiar===correct

Re: Excavations of the Roman city of Sepphoris have uncovered [#permalink]

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04 Aug 2014, 15:38

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Re: Excavations of the Roman city of Sepphoris have uncovered [#permalink]

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08 Mar 2016, 19:21

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Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Excavations of the Roman city of Sepphoris have uncovered
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08 Mar 2016, 19:21